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Laws of Reflection

The following...

Question

The following diagram shows an incident ray AO and the normal ON on a plane mirror. Find the angle of incidence and angle of reflection.

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Solution

ON is a perpendicular on a plane mirror

Angle of incidence $∠ i w h i c h i s ∠ A O N$

Angle between incident ray and normal = 90° - 30°

Angle of incidence = 60°

$∠ i = ∠ r$

Thus, angle of reflection = 60°

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Similar questions

Figure shows an incident ray AO and the normal ON a plane mirror. The angle which the incident ray AO makes with the mirror is $30^{\circ}$ . (a) Find the angle of incidence. (b) Draw the reflected ray and then find the angle between the incident and reflected rays.

(a)

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Figure shows an incident ray

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